Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://geniusbookmarks.com/story20564847/top-guidelines-of-explorer-blockchain-solana-https-www-blurb-com-user-optionname7